512066617 has 4 divisors (see below), whose sum is σ = 512331300. Its totient is φ = 511801936.

The previous prime is 512066609. The next prime is 512066627. The reversal of 512066617 is 716660215.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 192765456 + 319301161 = 13884^2 + 17869^2 .

It is a cyclic number.

It is not a de Polignac number, because 512066617 - 2³ = 512066609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (512066627) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 129418 + ... + 133315.

It is an arithmetic number, because the mean of its divisors is an integer number (128082825).

Almost surely, 2^512066617 is an apocalyptic number.

It is an amenable number.

512066617 is a deficient number, since it is larger than the sum of its proper divisors (264683).

512066617 is a wasteful number, since it uses less digits than its factorization.

512066617 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 264682.

The product of its (nonzero) digits is 15120, while the sum is 34.

The square root of 512066617 is about 22628.8889917291. Note that the first 3 decimals coincide. The cubic root of 512066617 is about 800.0346948495.

The spelling of 512066617 in words is "five hundred twelve million, sixty-six thousand, six hundred seventeen".